Question: At what instance Chaitanya Mahaprabhu had his birth in the year 1486?
Paraphrase: Tell me when Chaitanya Mahaprabhu was born.
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q870262 p:P569 ?s . ?s ps:P569 ?x filter(contains(YEAR(?x),'1486')) . ?s pq:P31 ?value}